div>.footer{
	font:normal bold 30px 宋体;
	color:white;
	background-color: red;
	padding: 10px;


}
div>.main{
	text-indent:3em;
}

a{
	text-decoration: none;
	font:normal bold  25px 宋体;
	color:black;
	
	}
div{
		background-color: gainsboro;
		width:400px;
	}
a:hover{
	color:red;
	text-decoration: underline;
}	
span{
	cursor: move;
}
img{
	float:right;
}
img[src*="dow"]{
	padding:10px;
	
}


	
